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Table 1. Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued
Table 1. Preventive Maintenance Checks and Services (PMCS) for 621B Scraper - Continued

Scraper, Earth Moving, Motorized, Diesel Engine Driven Model 621B
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TM 5-3805-248-10
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONTINUED
0014 00
Table 1. Preventive Maintenance Checks and Services (PMCS) for 613CS Scraper - Continued.
LOCATION
ITEM TO
ITEM
MAN-
NOT FULLY MISSION
CHECK/
SERVICE
NO.
INTERVAL
HOURS
PROCEDURE
CAPABLE IF:
a. Visually check tire for cuts or
Tire has cuts or bulges in
39
After
Front Wheel
bulges in tread or sidewall area.
tread or sidewall area or
and Tire
Check for uneven wear or underin-
other damage that would
flation. Look for stones or other for-
impair operation.
eign material embedded in tread or
sidewall area. Remove stones or
other foreign material if found.
b. Check for loose or missing final
Missing final drive nuts, rim
lock or damaged valve stem
drive nuts, rim lock and valve stem
are noted.
with cap.
c. Check for oil leaks from final drive
at wheel end. If leak is evident, con-
tact Unit Maintenance.
d. Check fender for damage.
FINAL DRIVE
RIM
NUTS
LOCK
FINAL
DRIVE
COVER
VALVE STEM
AND CAP
394-176
0014 00-21


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